AirHint found the following cheapest return flights from Madrid (MAD) to Montreal (YUL) in May 2026 (see full year).

Return flights

14 May - 20 May	Air Transat	direct
09 May - 20 May	Air Transat	direct
23 May - 29 May	Air Transat	direct
26 May - 10 Jun	Air Transat	direct
05 May - 20 May	TAP
15 May - 25 May	TAP
17 May - 22 May	TAP
19 May - 25 May	TAP
16 May - 29 May	Air Transat	direct
18 May - 24 May	TAP
18 May - 25 May	TAP
29 May - 10 Jun	Iberia
22 May - 05 Jun	Air France
22 May - 05 Jun	Air Canada	direct

Also check the deals for one-way flights from Madrid to Montreal in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madrid to Montreal in May from 351€

Return flights